Combination calculator and world-time calendar



FIG. 1 is a perspective view of a combination calculator and world-time calendar showing my new design, with the cover in open, operative position;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a perspective view thereof with the cover in closed position;

FIG. 9 is a perspective view showing a modified form of my design, with the cover in open, operative position;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a right side view thereof; and,

FIG. 16 is a perspective view thereof with the cover in closed position. 

The ornamental design for a combination calculator and world-time calendar, as shown and described. 